jQuery study notes Manipulating jQuery objects CSS processing_jquery
CSSBasic attribute processing
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Description |
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css(name)
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Get the name attribute value in the CSS rule on the element |
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css(name,value) css(name,fn(index,value))
css({name1:value1,…,nameN:valueN}) |
Set the value of the name attribute of the CSS rule on the element to value, or you can use function parameters without explanation; you can also set multiple CSS attributes for the same element at one time |
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Method |
Description |
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height() |
Get the value of the CSS attribute height of the element |
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width() |
Get the value of the element's CSS attribute width. These two methods obtain the actual height and width of the element on the page, which are mostly used for mathematical operations and are more convenient |
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innerHeight() |
Get the actual height value of the internal area of the element (including padding) |
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innerWidth() |
Get the actual width value of the internal area of the element |
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outerHeight() |
Get the actual height value of the outer area of the element (including padding and border) |
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outerWidth() |
Get the actual width value of the outer area of the element. If you need to include the outer margin, you can pass in a true parameter, namely outerHeight(true) or outerWidth(true) |
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Method |
Description |
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offset() offset(coord) offset(fn(index,coord)) |
Gets the relative offset of the element in the current window and returns an object containing top and left attributes. For example $("p").offset().top. This method only works on visible elements. You can also set the offset value. Note that coord is also an object, such as $("p").offset({"top":40,"left":15}) |
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position() |
Gets the offset value of the element relative to the most recently positioned ancestor element, and also returns an object containing top and left attributes. |
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scrollTop() scrollTop(value) |
Get the offset value of the vertical scroll bar relative to the top of the element |
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scrollLeft() scrollLeft(value) |
Gets the offset value of the horizontal scroll bar relative to the leftmost end of the element. Both methods can set the value. The default unit is px. If the value is negative, the scroll bar will move to the top or left end; if the value exceeds the maximum value, the scroll bar will move to the bottom or right end | TR>
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